Cobb
e11cc6a854
Replaces the 2 host-docker-socket publish steps with one SSH handoff to a shell-denied forced-command on Lucy that re-verifies the APK signer, re-signs the fdroid index (keystore stays on the host), and rsyncs to Rackham. Audited 4 script rounds + 1 whole-flow round.
135 lines
6.6 KiB
YAML
135 lines
6.6 KiB
YAML
# Straw APK — build on Forgejo Actions, and (gated on a green build) publish to
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# fdroid.sulkta.com so the in-app updater picks it up.
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#
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# Runs in the dedicated git.sulkta.com/sulkta-infra/straw-build image (Android
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# SDK/NDK + Rust + cargo-ndk, see ci/Dockerfile). The signing key comes from
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# the STRAW_SIGNING_KEYSTORE_B64 secret (the same androiddebugkey the whole
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# series is signed with — vaulted as "Sulkta — Straw fdroid signing keystore").
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#
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# Publish is ROOTLESS (#444): the signed APK is handed to a forced-command
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# script on the Lucy host (key STRAW_FDROID_LUCY_KEY, pinned to that one script
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# via restrict,command=). The host does the fdroid index re-sign + the Rackham
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# rsync — the signing keystore never enters this CI container, and this job no
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# longer needs the host docker socket. The host script re-verifies the APK
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# signer before publishing.
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name: build-apk
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on:
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push:
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branches: [main]
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paths:
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- 'strawApp/**'
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- 'rust/**'
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- 'buildSrc/**'
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- 'gradle/**'
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- 'gradlew'
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- '*.gradle.kts'
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- 'gradle.properties'
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- 'ci/Dockerfile'
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- '.forgejo/workflows/build.yml'
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workflow_dispatch:
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jobs:
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build-and-publish:
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runs-on: lucy-rust
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# Run every step with bash, not the runner's default dash — the steps use
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# `set -euo pipefail` (pipefail is a bashism; dash errors "Illegal option").
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# The straw-build image ships /usr/bin/bash.
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defaults:
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run:
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shell: bash
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container:
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image: git.sulkta.com/sulkta-infra/straw-build:latest
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steps:
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# We clone with plain git instead of actions/checkout@v4: that action is
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# a Node action, and the straw-build job container ships the Android +
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# Rust toolchain but NOT node — so checkout@v4 dies with
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# `exec: "node": not found`. git is in the image, both repos are public,
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# and a shell clone also sidesteps the runner's flaky data.forgejo.org
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# action fetch. strawcore must be a SIBLING of straw because
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# rust/strawcore depends on it via `path = "../../../strawcore"`.
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- name: Checkout straw + strawcore (sibling, no JS actions)
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run: |
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set -euo pipefail
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git clone https://git.sulkta.com/Sulkta-OSS/straw.git straw
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git -C straw checkout --detach "${{ github.sha }}"
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git clone --depth 1 https://git.sulkta.com/Sulkta-OSS/strawcore.git strawcore
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echo "straw: $(git -C straw rev-parse --short HEAD)"
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echo "strawcore: $(git -C strawcore rev-parse --short HEAD)"
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- name: Decode signing keystore
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env:
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KS_B64: ${{ secrets.STRAW_SIGNING_KEYSTORE_B64 }}
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run: echo "$KS_B64" | base64 -d > "$GITHUB_WORKSPACE/straw.keystore"
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- name: Assemble debug APK
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working-directory: straw
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env:
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STRAW_KEYSTORE_FILE: ${{ github.workspace }}/straw.keystore
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STRAW_KEYSTORE_PASS: android
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STRAW_KEY_ALIAS: androiddebugkey
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STRAW_KEY_PASS: android
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# Keep the 4-ABI cross-compile off the container rootfs.
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CARGO_TARGET_DIR: ${{ github.workspace }}/cargo-target
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# ionice idle class + low nice so the build yields disk/CPU to the
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# live DBs on Lucy — a 5GB build I/O-starved the MAS Postgres
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# checkpoint and dropped Matrix for ~2min on 2026-06-19.
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run: ionice -c3 nice -n 19 ./gradlew :strawApp:assembleDebug --no-daemon --stacktrace
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- name: Verify signer + stage APK
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working-directory: straw
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run: |
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set -euo pipefail
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VC=$(grep STRAW_VERSION_CODE buildSrc/src/main/kotlin/ProjectConfig.kt | grep -o '[0-9]\+')
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APK=$(ls strawApp/build/outputs/apk/debug/*.apk | head -1)
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NAME="com.sulkta.straw.debug_${VC}.apk"
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cp "$APK" "$GITHUB_WORKSPACE/$NAME"
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echo "Built vc=$VC -> $NAME"
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# The whole series is signed with SHA-1 bb9ca96b...; fail loudly if a
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# build ever produces a different signer (would break in-place updates).
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# apksigner lives under build-tools/<ver>/. AGP (compileSdk 36) needs
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# build-tools 36; older straw-build images pre-installed only 34.0.0 and
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# AGP auto-fetched 36 at build time, so this sort -V | tail -1 resolves to
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# 36.0.0's apksigner. (ci/Dockerfile now pre-installs 36 too — see there.)
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# apksigner is a shell wrapper that needs `java` on PATH; the image
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# sets JAVA_HOME but doesn't put its bin on PATH for run steps (gradle
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# uses JAVA_HOME directly, so the build itself is fine).
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export PATH="$JAVA_HOME/bin:$PATH"
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APKSIGNER=$(ls "$ANDROID_HOME"/build-tools/*/apksigner | sort -V | tail -1)
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FP=$("$APKSIGNER" verify --print-certs "$APK" | grep -i 'SHA-1' | grep -o '[0-9a-f]\{40\}')
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echo "signer SHA-1: $FP"
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if [ "$FP" != "bb9ca96b10ebbc1ac48e037a21f350415d18915f" ]; then
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echo "::error::APK signer $FP != canonical key — refusing to publish"; exit 1
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fi
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echo "STRAW_VC=$VC" >> "$GITHUB_ENV"
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echo "STRAW_APK=$NAME" >> "$GITHUB_ENV"
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# ---- Publish (rootless, no docker socket): hand the signed APK to the
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# Lucy host forced-command. The host re-verifies the signer, re-signs
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# the fdroid index (keystore stays on Lucy), and rsyncs to Rackham. ----
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- name: Publish to fdroid via Lucy host forced-command
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if: github.event_name == 'push' && github.ref == 'refs/heads/main'
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env:
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LUCY_KEY: ${{ secrets.STRAW_FDROID_LUCY_KEY }}
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run: |
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set -euo pipefail
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install -d -m700 "$HOME/.ssh"
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printf '%s\n' "$LUCY_KEY" > "$HOME/.ssh/id_lucy"
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chmod 600 "$HOME/.ssh/id_lucy"
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# Pin the Lucy host key (no TOFU).
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printf '%s\n' '192.168.0.5 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIk1uDXaIz6MC3f5IymRHQ9B/azLx4XRrkTNb2F/xRP4' \
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> "$HOME/.ssh/known_hosts_lucy"
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# Hand off the signed APK on stdin. Host exit codes: 0 = published,
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# 3 = already published (benign no-op on a same-commit re-run),
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# anything else = real failure.
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set +e
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ssh -i "$HOME/.ssh/id_lucy" -o IdentitiesOnly=yes -o BatchMode=yes \
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-o StrictHostKeyChecking=yes -o UserKnownHostsFile="$HOME/.ssh/known_hosts_lucy" \
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root@192.168.0.5 "publish ${STRAW_APK}" < "$GITHUB_WORKSPACE/${STRAW_APK}"
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rc=$?
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set -e
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case "$rc" in
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0) echo "Published vc=${STRAW_VC} to fdroid.sulkta.com (rootless — no docker socket)";;
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3) echo "vc=${STRAW_VC} already published — nothing to do";;
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*) echo "::error::fdroid publish failed (rc=$rc)"; exit "$rc";;
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esac
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